2 * Copyright (C) 2009 Sony Computer Entertainment Inc.
3 * Copyright 2009 Sony Corp.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #if defined(HAVE_CONFIG_H)
27 #include <sys/ioctl.h>
28 #include <sys/reboot.h>
31 #include "pb-protocol/pb-protocol.h"
32 #include "talloc/talloc.h"
33 #include "waiter/waiter.h"
34 #include "process/process.h"
35 #include "i18n/i18n.h"
36 #include "ui/common/discover-client.h"
37 #include "ui/common/ui-system.h"
39 #include "nc-boot-editor.h"
40 #include "nc-config.h"
41 #include "nc-add-url.h"
42 #include "nc-sysinfo.h"
44 #include "nc-helpscreen.h"
45 #include "nc-statuslog.h"
46 #include "nc-subset.h"
48 extern const struct help_text main_menu_help_text;
50 static bool cui_detached = false;
52 static struct pmenu *main_menu_init(struct cui *cui);
54 static bool lockdown_active(void)
56 bool lockdown = false;
57 if (access(LOCKDOWN_FILE, F_OK) != -1)
62 static void cui_start(void)
64 initscr(); /* Initialize ncurses. */
65 cbreak(); /* Disable line buffering. */
66 noecho(); /* Disable getch() echo. */
67 keypad(stdscr, TRUE); /* Enable num keypad keys. */
68 nonl(); /* Disable new-line translation. */
69 intrflush(stdscr, FALSE); /* Disable interrupt flush. */
70 curs_set(0); /* Make cursor invisible */
71 nodelay(stdscr, TRUE); /* Enable non-blocking getch() */
73 /* We may be operating with an incorrect $TERM type; in this case
74 * the keymappings will be slightly broken. We want at least
75 * backspace to work though, so we'll define both DEL and ^H to
77 define_key("\x7f", KEY_BACKSPACE);
78 define_key("\x08", KEY_BACKSPACE);
80 /* we need backtab too, for form navigation. vt220 doesn't include
81 * this (kcbt), but we don't want to require a full linux/xterm termcap
83 define_key("\x1b[Z", KEY_BTAB);
85 /* We'll define a few other keys too since they're commonly
86 * used for navigation but the escape character will cause
87 * Petitboot to exit if they're left undefined */
88 define_key("\x1b\x5b\x35\x7e", KEY_PPAGE);
89 define_key("\x1b\x5b\x36\x7e", KEY_NPAGE);
90 define_key("\x1b\x5b\x31\x7e", KEY_HOME);
91 define_key("\x1b\x5b\x34\x7e", KEY_END);
92 define_key("\x1b\x4f\x48", KEY_HOME);
93 define_key("\x1b\x4f\x46", KEY_END);
94 define_key("OH", KEY_HOME);
95 define_key("OF", KEY_END);
96 define_key("\x1b\x5b\x41", KEY_UP);
97 define_key("\x1b\x5b\x42", KEY_DOWN);
98 define_key("\x1b\x5b\x33\x7e", KEY_DC);
100 while (getch() != ERR) /* flush stdin */
104 static void cui_atexit(void)
113 bool lockdown = lockdown_active();
122 * cui_abort - Signal the main cui program loop to exit.
124 * Sets cui.abort, which causes the cui_run() routine to return.
127 void cui_abort(struct cui *cui)
129 pb_log("%s: exiting\n", __func__);
134 * cui_resize - Signal the main cui program loop to resize
136 * Called at SIGWINCH.
139 void cui_resize(struct cui *cui)
141 pb_debug("%s: resizing\n", __func__);
146 * cui_on_exit - A generic main menu exit callback.
149 void cui_on_exit(struct pmenu *menu)
151 cui_abort(cui_from_pmenu(menu));
155 * cui_run_cmd - A generic cb to run the supplied command.
158 int cui_run_cmd(struct cui *cui, const char **cmd_argv)
160 struct process *process;
163 process = process_create(cui);
167 process->path = cmd_argv[0];
168 process->argv = cmd_argv;
169 process->raw_stdout = true;
171 nc_scr_status_printf(cui->current, _("Running %s..."), cmd_argv[0]);
176 result = process_run_sync(process);
181 redrawwin(cui->current->main_ncw);
184 pb_log("%s: failed: '%s'\n", __func__, cmd_argv[0]);
185 nc_scr_status_printf(cui->current, _("Failed: %s"),
189 process_release(process);
194 int cui_run_cmd_from_item(struct pmenu_item *item)
196 struct cui *cui = cui_from_item(item);
197 const char **cmd_argv = item->data;
199 return cui_run_cmd(cui, cmd_argv);
203 * cui_boot - A generic cb to run kexec.
206 static int cui_boot(struct pmenu_item *item)
209 struct cui *cui = cui_from_item(item);
210 struct cui_opt_data *cod = cod_from_item(item);
212 assert(cui->current == &cui->main->scr);
214 pb_debug("%s: %s\n", __func__, cod->name);
216 nc_scr_status_printf(cui->current, _("Booting %s..."), cod->name);
218 result = discover_client_boot(cui->client, NULL, cod->opt, cod->bd);
221 nc_scr_status_printf(cui->current,
222 _("Failed: boot %s"), cod->bd->image);
228 static void cui_boot_editor_on_exit(struct cui *cui,
229 struct pmenu_item *item,
230 struct pb_boot_data *bd)
232 struct pmenu *menu = cui->main;
233 struct cui_opt_data *cod;
234 int idx, top, rows, cols;
235 static int user_idx = 0;
237 /* Was the edit cancelled? */
239 cui_set_current(cui, &cui->main->scr);
240 talloc_free(cui->boot_editor);
241 cui->boot_editor = NULL;
245 /* Is this was a new item, we'll need to update the menu */
249 cod = talloc_zero(NULL, struct cui_opt_data);
250 cod->name = talloc_asprintf(cod, _("User item %u"), ++user_idx);
252 item = pmenu_item_create(menu, cod->name);
258 item->on_edit = cui_item_edit;
259 item->on_execute = cui_boot;
262 talloc_steal(item, cod);
264 /* Detach the items array. */
265 set_menu_items(menu->ncm, NULL);
267 /* Insert new item at insert_pt. */
268 insert_pt = pmenu_grow(menu, 1);
269 pmenu_item_insert(menu, item, insert_pt);
271 /* Re-attach the items array. */
272 set_menu_items(menu->ncm, menu->items);
274 /* If our index is above the current top row, align
275 * us to the new top. Otherwise, align us to the new
277 menu_format(cui->main->ncm, &rows, &cols);
278 top = top_row(cui->main->ncm);
279 idx = item_index(item->nci);
284 top = idx < rows ? 0 : idx - rows + 1;
286 set_top_row(cui->main->ncm, top);
287 set_current_item(item->pmenu->ncm, item->nci);
289 nc_scr_post(&menu->scr);
294 cod->bd = talloc_steal(cod, bd);
297 cui_set_current(cui, &cui->main->scr);
298 talloc_free(cui->boot_editor);
299 cui->boot_editor = NULL;
302 void cui_item_edit(struct pmenu_item *item)
304 struct cui *cui = cui_from_item(item);
305 cui->boot_editor = boot_editor_init(cui, item, cui->sysinfo,
306 cui_boot_editor_on_exit);
307 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
310 void cui_item_new(struct pmenu *menu)
312 struct cui *cui = cui_from_pmenu(menu);
313 cui->boot_editor = boot_editor_init(cui, NULL, cui->sysinfo,
314 cui_boot_editor_on_exit);
315 cui_set_current(cui, boot_editor_scr(cui->boot_editor));
318 static void cui_sysinfo_exit(struct cui *cui)
320 cui_set_current(cui, &cui->main->scr);
321 talloc_free(cui->sysinfo_screen);
322 cui->sysinfo_screen = NULL;
325 void cui_show_sysinfo(struct cui *cui)
327 cui->sysinfo_screen = sysinfo_screen_init(cui, cui->sysinfo,
329 cui_set_current(cui, sysinfo_screen_scr(cui->sysinfo_screen));
332 static void cui_config_exit(struct cui *cui)
334 cui_set_current(cui, &cui->main->scr);
335 talloc_free(cui->config_screen);
336 cui->config_screen = NULL;
339 void cui_show_config(struct cui *cui)
341 cui->config_screen = config_screen_init(cui, cui->config,
342 cui->sysinfo, cui_config_exit);
343 cui_set_current(cui, config_screen_scr(cui->config_screen));
346 static void cui_lang_exit(struct cui *cui)
348 cui_set_current(cui, &cui->main->scr);
349 talloc_free(cui->lang_screen);
350 cui->lang_screen = NULL;
353 void cui_show_lang(struct cui *cui)
355 cui->lang_screen = lang_screen_init(cui, cui->config, cui_lang_exit);
356 cui_set_current(cui, lang_screen_scr(cui->lang_screen));
359 static void cui_statuslog_exit(struct cui *cui)
361 cui_set_current(cui, &cui->main->scr);
362 talloc_free(cui->statuslog_screen);
363 cui->statuslog_screen = NULL;
366 void cui_show_statuslog(struct cui *cui)
368 cui->statuslog_screen = statuslog_screen_init(cui, cui_statuslog_exit);
369 cui_set_current(cui, statuslog_screen_scr(cui->statuslog_screen));
372 static void cui_add_url_exit(struct cui *cui)
374 cui_set_current(cui, &cui->main->scr);
375 talloc_free(cui->add_url_screen);
376 cui->add_url_screen = NULL;
379 void cui_show_add_url(struct cui *cui)
381 cui->add_url_screen = add_url_screen_init(cui, cui_add_url_exit);
382 cui_set_current(cui, add_url_screen_scr(cui->add_url_screen));
385 static void cui_help_exit(struct cui *cui)
387 cui_set_current(cui, help_screen_return_scr(cui->help_screen));
388 talloc_free(cui->help_screen);
389 cui->help_screen = NULL;
392 void cui_show_help(struct cui *cui, const char *title,
393 const struct help_text *text)
398 if (cui->help_screen)
401 cui->help_screen = help_screen_init(cui, cui->current,
402 title, text, cui_help_exit);
404 if (cui->help_screen)
405 cui_set_current(cui, help_screen_scr(cui->help_screen));
408 static void cui_subset_exit(struct cui *cui)
410 cui_set_current(cui, subset_screen_return_scr(cui->subset_screen));
411 talloc_free(cui->subset_screen);
412 cui->subset_screen = NULL;
415 void cui_show_subset(struct cui *cui, const char *title,
421 if (cui->subset_screen)
424 cui->subset_screen = subset_screen_init(cui, cui->current,
425 title, arg, cui_subset_exit);
427 if (cui->subset_screen)
428 cui_set_current(cui, subset_screen_scr(cui->subset_screen));
432 * cui_set_current - Set the currently active screen and redraw it.
435 struct nc_scr *cui_set_current(struct cui *cui, struct nc_scr *scr)
439 DBGS("%p -> %p\n", cui->current, scr);
441 assert(cui->current != scr);
448 nc_scr_post(cui->current);
453 static bool process_global_keys(struct cui *cui, int key)
457 if (cui->current && cui->current->main_ncw)
465 * cui_process_key - Process input on stdin.
468 static int cui_process_key(void *arg)
470 struct cui *cui = cui_from_arg(arg);
472 assert(cui->current);
477 pb_debug("%s: got key %d\n", __func__, c);
482 if (!cui->has_input) {
483 cui->has_input = true;
485 pb_log("UI input received (key = %d), aborting "
486 "default boot\n", c);
487 discover_client_cancel_default(cui->client);
489 pb_log("UI input received (key = %d), aborting "
490 "once server connects\n", c);
494 if (process_global_keys(cui, c))
497 cui->current->process_key(cui->current, c);
504 * cui_process_js - Process joystick events.
507 static int cui_process_js(void *arg)
509 struct cui *cui = cui_from_arg(arg);
512 c = pjs_process_event(cui->pjs);
516 cui_process_key(arg);
523 * cui_handle_resize - Handle the term resize.
526 static void cui_handle_resize(struct cui *cui)
530 if (ioctl(1, TIOCGWINSZ, &ws) == -1) {
531 pb_log("%s: ioctl failed: %s\n", __func__, strerror(errno));
535 pb_debug("%s: {%u,%u}\n", __func__, ws.ws_row, ws.ws_col);
537 wclear(cui->current->main_ncw);
538 resize_term(ws.ws_row, ws.ws_col);
539 cui->current->resize(cui->current);
541 /* For some reason this makes ncurses redraw the screen */
543 redrawwin(cui->current->main_ncw);
544 wrefresh(cui->current->main_ncw);
548 * cui_device_add - Client device_add callback.
550 * Creates menu_items for all the device boot_options and inserts those
551 * menu_items into the main menu. Redraws the main menu if it is active.
554 static int cui_boot_option_add(struct device *dev, struct boot_option *opt,
557 struct pmenu_item *i, *dev_hdr = NULL;
558 struct cui *cui = cui_from_arg(arg);
559 struct cui_opt_data *cod;
560 const char *tab = " ";
561 unsigned int insert_pt;
562 int result, rows, cols;
566 pb_debug("%s: %p %s\n", __func__, opt, opt->id);
568 selected = current_item(cui->main->ncm);
569 menu_format(cui->main->ncm, &rows, &cols);
571 if (cui->current == &cui->main->scr)
572 nc_scr_unpost(cui->current);
574 /* Check if the boot device is new */
575 dev_hdr = pmenu_find_device(cui->main, dev, opt);
577 /* All actual boot entries are 'tabbed' across */
578 name = talloc_asprintf(cui->main, "%s%s",
579 tab, opt->name ? : "Unknown Name");
581 /* Save the item in opt->ui_info for cui_device_remove() */
582 opt->ui_info = i = pmenu_item_create(cui->main, name);
587 i->on_edit = cui_item_edit;
588 i->on_execute = cui_boot;
589 i->data = cod = talloc(i, struct cui_opt_data);
593 cod->opt_hash = pb_opt_hash(dev, opt);
594 cod->name = opt->name;
595 cod->bd = talloc(i, struct pb_boot_data);
597 cod->bd->image = talloc_strdup(cod->bd, opt->boot_image_file);
598 cod->bd->initrd = talloc_strdup(cod->bd, opt->initrd_file);
599 cod->bd->dtb = talloc_strdup(cod->bd, opt->dtb_file);
600 cod->bd->args = talloc_strdup(cod->bd, opt->boot_args);
601 cod->bd->args_sig_file = talloc_strdup(cod->bd, opt->args_sig_file);
603 /* This disconnects items array from menu. */
604 result = set_menu_items(cui->main->ncm, NULL);
607 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
609 /* Insert new items at insert_pt. */
611 insert_pt = pmenu_grow(cui->main, 2);
612 pmenu_item_insert(cui->main, dev_hdr, insert_pt);
613 pb_log("%s: adding new device hierarchy %s\n",
614 __func__,opt->device_id);
615 pmenu_item_insert(cui->main, i, insert_pt+1);
617 insert_pt = pmenu_grow(cui->main, 1);
618 pmenu_item_add(cui->main, i, insert_pt);
621 pb_log("%s: adding opt '%s'\n", __func__, cod->name);
622 pb_log(" image '%s'\n", cod->bd->image);
623 pb_log(" initrd '%s'\n", cod->bd->initrd);
624 pb_log(" args '%s'\n", cod->bd->args);
625 pb_log(" argsig '%s'\n", cod->bd->args_sig_file);
627 /* Re-attach the items array. */
628 result = set_menu_items(cui->main->ncm, cui->main->items);
631 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
634 pb_log("%s\n", __func__);
635 pmenu_dump_items(cui->main->items,
636 item_count(cui->main->ncm) + 1);
639 if (!item_visible(selected)) {
642 top = top_row(cui->main->ncm);
643 idx = item_index(selected);
645 /* If our index is above the current top row, align
646 * us to the new top. Otherwise, align us to the new
648 top = top < idx ? idx - rows + 1 : idx;
650 set_top_row(cui->main->ncm, top);
651 set_current_item(cui->main->ncm, selected);
654 if (cui->current == &cui->main->scr)
655 nc_scr_post(cui->current);
661 * cui_device_remove - Client device remove callback.
663 * Removes all the menu_items for the device from the main menu and redraws the
664 * main menu if it is active.
667 static void cui_device_remove(struct device *dev, void *arg)
669 struct cui *cui = cui_from_arg(arg);
670 struct boot_option *opt;
672 int rows, cols, top, last;
675 pb_log("%s: %p %s\n", __func__, dev, dev->id);
677 if (cui->current == &cui->main->scr)
678 nc_scr_unpost(cui->current);
680 /* This disconnects items array from menu. */
682 result = set_menu_items(cui->main->ncm, NULL);
685 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
687 list_for_each_entry(&dev->boot_options, opt, list) {
688 struct pmenu_item *item = pmenu_item_from_arg(opt->ui_info);
690 assert(pb_protocol_device_cmp(dev, cod_from_item(item)->dev));
691 pmenu_remove(cui->main, item);
694 /* Manually remove remaining device hierarchy item */
695 for (i=0; i < cui->main->item_count; i++) {
696 struct pmenu_item *item = item_userptr(cui->main->items[i]);
697 if (!item || !item->data )
700 struct cui_opt_data *data = item->data;
701 if (data && data->dev && data->dev == dev)
702 pmenu_remove(cui->main,item);
705 /* Re-attach the items array. */
707 result = set_menu_items(cui->main->ncm, cui->main->items);
709 /* Move cursor to 'Exit' menu entry */
710 menu_format(cui->main->ncm, &rows, &cols);
711 last = cui->main->item_count - 1;
712 set_current_item(cui->main->ncm, cui->main->items[last]);
713 if (!item_visible(cui->main->items[last])) {
714 top = last < rows ? 0 : last - rows + 1;
715 set_top_row(cui->main->ncm, top);
719 pb_log("%s: set_menu_items failed: %d\n", __func__, result);
722 pb_log("%s\n", __func__);
723 pmenu_dump_items(cui->main->items,
724 item_count(cui->main->ncm) + 1);
727 if (cui->current == &cui->main->scr)
728 nc_scr_post(cui->current);
731 static void cui_update_status(struct status *status, void *arg)
733 struct cui *cui = cui_from_arg(arg);
735 statuslog_append_steal(cui, cui->statuslog, status);
737 /* Ignore status messages from the backlog */
738 if (!status->backlog)
739 nc_scr_status_printf(cui->current, "%s", status->message);
742 static void cui_update_mm_title(struct cui *cui)
744 struct nc_frame *frame = &cui->main->scr.frame;
746 talloc_free(frame->rtitle);
748 frame->rtitle = talloc_strdup(cui->main, cui->sysinfo->type);
749 if (cui->sysinfo->identifier)
750 frame->rtitle = talloc_asprintf_append(frame->rtitle,
751 " %s", cui->sysinfo->identifier);
753 if (cui->current == &cui->main->scr)
754 nc_scr_post(cui->current);
757 static void cui_update_sysinfo(struct system_info *sysinfo, void *arg)
759 struct cui *cui = cui_from_arg(arg);
760 cui->sysinfo = talloc_steal(cui, sysinfo);
762 /* if we're currently displaying the system info screen, inform it
763 * of the updated information. */
764 if (cui->sysinfo_screen)
765 sysinfo_screen_update(cui->sysinfo_screen, sysinfo);
767 if (cui->subset_screen)
768 subset_screen_update(cui->subset_screen);
770 /* ... and do the same with the config screen... */
771 if (cui->config_screen)
772 config_screen_update(cui->config_screen, cui->config, sysinfo);
774 /* ... and the boot editor. */
775 if (cui->boot_editor)
776 boot_editor_update(cui->boot_editor, sysinfo);
778 cui_update_mm_title(cui);
781 static void cui_update_language(struct cui *cui, char *lang)
786 cur_lang = setlocale(LC_ALL, NULL);
787 if (cur_lang && !strcmp(cur_lang, lang))
790 setlocale(LC_ALL, lang);
792 /* we'll need to update the menu: drop all items and repopulate */
793 repost_menu = cui->current == &cui->main->scr;
795 nc_scr_unpost(cui->current);
797 talloc_free(cui->main);
798 cui->main = main_menu_init(cui);
801 cui->current = &cui->main->scr;
802 nc_scr_post(cui->current);
805 discover_client_enumerate(cui->client);
808 static void cui_update_config(struct config *config, void *arg)
810 struct cui *cui = cui_from_arg(arg);
811 cui->config = talloc_steal(cui, config);
814 cui_update_language(cui, config->lang);
816 if (cui->subset_screen)
817 subset_screen_update(cui->subset_screen);
819 if (cui->config_screen)
820 config_screen_update(cui->config_screen, config, cui->sysinfo);
822 if (config->safe_mode)
823 nc_scr_status_printf(cui->current,
824 _("SAFE MODE: select '%s' to continue"),
825 _("Rescan devices"));
828 int cui_send_config(struct cui *cui, struct config *config)
830 return discover_client_send_config(cui->client, config);
833 int cui_send_url(struct cui *cui, char * url)
835 return discover_client_send_url(cui->client, url);
838 void cui_send_reinit(struct cui *cui)
840 discover_client_send_reinit(cui->client);
843 static int menu_sysinfo_execute(struct pmenu_item *item)
845 cui_show_sysinfo(cui_from_item(item));
849 static int menu_config_execute(struct pmenu_item *item)
851 cui_show_config(cui_from_item(item));
855 static int menu_lang_execute(struct pmenu_item *item)
857 cui_show_lang(cui_from_item(item));
861 static int menu_statuslog_execute(struct pmenu_item *item)
863 cui_show_statuslog(cui_from_item(item));
867 static int menu_reinit_execute(struct pmenu_item *item)
869 if (cui_from_item(item)->client)
870 cui_send_reinit(cui_from_item(item));
874 static int menu_add_url_execute(struct pmenu_item *item)
876 if (cui_from_item(item)->client)
877 cui_show_add_url(cui_from_item(item));
882 * pb_mm_init - Setup the main menu instance.
884 static struct pmenu *main_menu_init(struct cui *cui)
886 struct pmenu_item *i;
889 bool lockdown = lockdown_active();
891 m = pmenu_init(cui, 8, cui_on_exit);
893 pb_log("%s: failed\n", __func__);
897 m->on_new = cui_item_new;
899 m->scr.frame.ltitle = talloc_asprintf(m,
900 "Petitboot (" PACKAGE_VERSION ")");
901 m->scr.frame.rtitle = NULL;
902 m->scr.frame.help = talloc_strdup(m,
903 _("Enter=accept, e=edit, n=new, x=exit, l=language, g=log, h=help"));
904 m->scr.frame.status = talloc_strdup(m, _("Welcome to Petitboot"));
906 /* add a separator */
907 i = pmenu_item_create(m, " ");
908 item_opts_off(i->nci, O_SELECTABLE);
909 pmenu_item_insert(m, i, 0);
911 /* add system items */
912 i = pmenu_item_create(m, _("System information"));
913 i->on_execute = menu_sysinfo_execute;
914 pmenu_item_insert(m, i, 1);
916 i = pmenu_item_create(m, _("System configuration"));
917 i->on_execute = menu_config_execute;
918 pmenu_item_insert(m, i, 2);
920 i = pmenu_item_create(m, _("System status log"));
921 i->on_execute = menu_statuslog_execute;
922 pmenu_item_insert(m, i, 3);
924 /* this label isn't translated, so we don't want a gettext() here */
925 i = pmenu_item_create(m, "Language");
926 i->on_execute = menu_lang_execute;
927 pmenu_item_insert(m, i, 4);
929 i = pmenu_item_create(m, _("Rescan devices"));
930 i->on_execute = menu_reinit_execute;
931 pmenu_item_insert(m, i, 5);
933 i = pmenu_item_create(m, _("Retrieve config from URL"));
934 i->on_execute = menu_add_url_execute;
935 pmenu_item_insert(m, i, 6);
938 i = pmenu_item_create(m, _("Reboot"));
940 i = pmenu_item_create(m, _("Exit to shell"));
941 i->on_execute = pmenu_exit_cb;
942 pmenu_item_insert(m, i, 7);
944 result = pmenu_setup(m);
947 pb_log("%s:%d: pmenu_setup failed: %s\n", __func__, __LINE__,
952 m->help_title = _("main menu");
953 m->help_text = &main_menu_help_text;
955 menu_opts_off(m->ncm, O_SHOWDESC);
956 set_menu_mark(m->ncm, " *");
957 set_current_item(m->ncm, i->nci);
966 static struct discover_client_ops cui_client_ops = {
968 .boot_option_add = cui_boot_option_add,
969 .device_remove = cui_device_remove,
970 .update_status = cui_update_status,
971 .update_sysinfo = cui_update_sysinfo,
972 .update_config = cui_update_config,
975 /* cui_server_wait_on_exit - On exit spin until the server is available.
977 * If the program exits before connecting to the server autoboot won't be
978 * cancelled even though there has been keyboard activity. This function is
979 * called by a child process which will spin until the server is connected and
980 * told to cancel autoboot.
982 * Processes exiting from this function will not carry out the cui_atexit()
985 static void cui_server_wait_on_exit(struct cui *cui)
989 while (!cui->client) {
990 cui->client = discover_client_init(cui->waitset,
991 &cui_client_ops, cui);
996 talloc_steal(cui, cui->client);
997 discover_client_cancel_default(cui->client);
1000 /* cui_server_wait - Connect to the discover server.
1001 * @arg: Pointer to the cui instance.
1003 * A timeout callback that attempts to connect to the discover server; on
1004 * failure it registers itself with a one second timeout to try again.
1005 * On success the cui->client struct will be set.
1007 * Since this updates the status line when called it must not be called
1008 * before the UI is ready.
1010 static int cui_server_wait(void *arg)
1012 struct cui *cui = cui_from_arg(arg);
1015 pb_debug("We already have a server!\n");
1019 /* We haven't yet connected to the server */
1020 pb_log("Trying to connect...\n");
1021 cui->client = discover_client_init(cui->waitset,
1022 &cui_client_ops, cui);
1025 waiter_register_timeout(cui->waitset, 1000, cui_server_wait,
1027 nc_scr_status_printf(cui->current,
1028 "Info: Waiting for device discovery");
1030 nc_scr_status_free(cui->current);
1031 talloc_steal(cui, cui->client);
1033 if (cui->has_input) {
1034 pb_log("Aborting default boot on pb-discover connect\n");
1035 discover_client_cancel_default(cui->client);
1043 * cui_init - Setup the cui instance.
1044 * @platform_info: A value for the struct cui platform_info member.
1046 * Returns a pointer to a struct cui on success, or NULL on error.
1048 * Allocates the cui instance, sets up the client and stdin waiters, and
1049 * sets up the ncurses menu screen.
1052 struct cui *cui_init(void* platform_info,
1053 int (*js_map)(const struct js_event *e), int start_daemon, int timeout)
1058 cui = talloc_zero(NULL, struct cui);
1060 pb_log("%s: alloc cui failed.\n", __func__);
1061 fprintf(stderr, _("%s: alloc cui failed.\n"), __func__);
1065 cui->c_sig = pb_cui_sig;
1066 cui->platform_info = platform_info;
1067 cui->waitset = waitset_create(cui);
1068 cui->statuslog = statuslog_init(cui);
1070 process_init(cui, cui->waitset, false);
1072 /* Loop here for scripts that just started the server. */
1075 for (i = start_daemon ? 2 : 15; i && timeout; i--) {
1076 cui->client = discover_client_init(cui->waitset,
1077 &cui_client_ops, cui);
1078 if (cui->client || !i)
1080 pb_log("%s: waiting for server %d\n", __func__, i);
1084 if (!cui->client && start_daemon) {
1089 result = pb_start_daemon(cui);
1094 pb_log("%s: discover_client_init failed.\n", __func__);
1095 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
1097 fprintf(stderr, _("could not start pb-discover, the petitboot "
1099 goto fail_client_init;
1102 if (!cui->client && !timeout) {
1103 /* Have the first timeout fire immediately so we can check
1104 * for the server as soon as the UI is ready */
1105 waiter_register_timeout(cui->waitset, 0,
1106 cui_server_wait, cui);
1107 } else if (!cui->client) {
1108 pb_log("%s: discover_client_init failed.\n", __func__);
1109 fprintf(stderr, _("%s: error: discover_client_init failed.\n"),
1111 fprintf(stderr, _("check that pb-discover, "
1112 "the petitboot daemon is running.\n"));
1113 goto fail_client_init;
1117 talloc_steal(cui, cui->client);
1120 cui->main = main_menu_init(cui);
1122 goto fail_client_init;
1124 waiter_register_io(cui->waitset, STDIN_FILENO, WAIT_IN,
1125 cui_process_key, cui);
1129 cui->pjs = pjs_init(cui, js_map);
1132 waiter_register_io(cui->waitset, pjs_get_fd(cui->pjs),
1133 WAIT_IN, cui_process_js, cui);
1145 * cui_run - The main cui program loop.
1146 * @cui: The cui instance.
1147 * @main: The menu to use as the main menu.
1149 * Runs the cui engine. Does not return until indicated to do so by some
1150 * user action, or an error occurs. Frees the cui object on return.
1151 * Returns 0 on success (return to shell), -1 on error (should restart).
1154 int cui_run(struct cui *cui)
1160 cui->current = &cui->main->scr;
1161 cui->default_item = 0;
1163 nc_scr_post(cui->current);
1166 int result = waiter_poll(cui->waitset);
1169 pb_log("%s: poll: %s\n", __func__, strerror(errno));
1176 while (cui->resize) {
1178 cui_handle_resize(cui);
1185 /* Fork a child to tell the server to cancel autoboot */
1188 cui_server_wait_on_exit(cui);
1192 pb_log("Failed to fork child on exit: %m\n");
1195 return cui->abort ? 0 : -1;